Quran 68:15 from Surah Al-Qalam on Divine Marvels.
إِذَا تُتۡلَىٰ عَلَيۡهِ ءَايَٰتُنَا قَالَ أَسَٰطِيرُ ٱلۡأَوَّلِينَ
English translation: When are recited to him Our Verses he says Stories (of) the former (people)
Transliteration: idha tut'la alayhi ayatuna qala asatiru al-awalina